From: Borislav Petkov <bp@alien8.de>
To: Noah Goldstein <goldstein.w.n@gmail.com>
Cc: tglx@linutronix.de, mingo@redhat.com, x86@kernel.org,
hpa@zytor.com, luto@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/2] x86/xstate: Make AVX512 status tracking more accurate
Date: Wed, 27 Oct 2021 13:07:42 +0200 [thread overview]
Message-ID: <YXky/qrRSvvhI3JN@zn.tnic> (raw)
In-Reply-To: <20211015204713.2855996-2-goldstein.w.n@gmail.com>
On Fri, Oct 15, 2021 at 03:47:17PM -0500, Noah Goldstein wrote:
> This patch splits the timestamps for tracking the AVX512 status into
For future submissions, please avoid having "This patch" or "This
commit" in the commit message. It is tautologically useless.
...
> @@ -1282,8 +1292,27 @@ static void avx512_status(struct seq_file *m, struct task_struct *task)
> delta = LONG_MAX;
> delta = jiffies_to_msecs(delta);
> }
> + return delta;
> +}
>
> - seq_put_decimal_ll(m, "AVX512_elapsed_ms:\t", delta);
Regardless of whether I think this exposing of AVX512 usage is silly
or not, we do not break userspace by changing those strings which some
script or tool already probably relies upon.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2021-10-27 11:07 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-20 5:39 [PATCH v1] x86/fpu: Remove opmask state from avx512_timestamp check Noah Goldstein
2021-09-27 18:02 ` Noah Goldstein
2021-10-13 22:36 ` Noah Goldstein
2021-10-14 8:28 ` Borislav Petkov
2021-10-14 15:49 ` Noah Goldstein
2021-10-15 14:40 ` Borislav Petkov
2021-10-15 15:25 ` Dave Hansen
2021-10-15 17:30 ` Noah Goldstein
2021-10-15 20:47 ` [PATCH v2 1/2] x86/fpu: Add helper function for tracking AVX512 status Noah Goldstein
2021-10-26 23:15 ` Noah Goldstein
2021-10-15 20:47 ` [PATCH v2 2/2] x86/xstate: Make AVX512 status tracking more accurate Noah Goldstein
2021-10-27 11:07 ` Borislav Petkov [this message]
2021-10-27 16:28 ` Noah Goldstein
2021-10-27 16:58 ` Borislav Petkov
2021-10-27 17:18 ` Noah Goldstein
2021-10-27 16:26 ` [PATCH v3 1/2] x86/fpu: Add helper function for tracking AVX512 status Noah Goldstein
2021-10-27 16:26 ` [PATCH v3 2/2] x86/xstate: Make AVX512 status tracking more accurate Noah Goldstein
2021-10-27 17:11 ` Borislav Petkov
2021-10-27 17:37 ` Noah Goldstein
2021-10-27 17:45 ` Borislav Petkov
2021-10-27 18:21 ` Noah Goldstein
2021-11-03 20:22 ` Noah Goldstein
2021-11-03 20:48 ` Borislav Petkov
2021-11-03 20:56 ` Noah Goldstein
2021-10-27 17:17 ` [PATCH v4 1/2] x86/fpu: Add helper function for tracking AVX512 status Noah Goldstein
2021-10-27 17:17 ` [PATCH v4 2/2] x86/xstate: Make AVX512 status tracking more accurate Noah Goldstein
2021-10-27 18:21 ` [PATCH v5 1/2] x86/fpu: Add helper function for tracking AVX512 status Noah Goldstein
2021-10-27 18:21 ` [PATCH v5 2/2] x86/xstate: Make AVX512 status tracking more accurate Noah Goldstein
2021-11-16 16:21 ` [PATCH] x86/fpu: Correct AVX512 state tracking Borislav Petkov
2021-11-16 16:49 ` Noah Goldstein
2021-11-17 18:29 ` [tip: x86/fpu] " tip-bot2 for Noah Goldstein
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